Download MCQs-Sexual_Reproduction

SUNSHIELD CLASSES
All progress, change, and Success is based on a foundation at convenience
Multiple Choice Questions
1. Which of the following statement is wrong?
A. Pollen grains remain viable for several months because their outer covering is made of
sporopollenin.
B. No enzyme can degrade sporopollenin.
C. Pollen gains are well represented in fossil strata due to sporopollenin.
D. Pollen wall has cavities containing proteins.
2. Long ribbon like pollen are observed in
A. Aquatic plants
(DUMET 2011)
B. Wind pollinated pants
C. Gymnosperms
D. Bird pollinated plants
3. Male gametophyte of angiosperms is reduced to
A. One cell
(UP CPMT 2009)
B. Two cell
C. Three cell
D. Four cell
4. Pollen grains are able to tolerate extremes of temperature and desiccation as its exine is made
up of
A. Sporopollenin
(AIIMS 2002)
B. Suberin
C. Cutin
D. Callose
5. The fertilization in which the male gametes are carried through pollen tube is known as
(MHT CET 2009)
A. Syngamy
B. Porogamy
C. Siphonogamy
D. Chalazogamy
6. Sporopollenin is chemically
A. Homopolysacchride B. Fatty substance
(WB JEE 2009)
C. Protein
D. Heteropolysacharide
7. Tapetal cells are characterized by:
A. Mitotic division
(Haryana 2007)
B. Meiotic C. Endomitosis
D. Endomitosis as well as endopolyploidy
8. There are 10 flowers in one individual pant of Crotalaria. In each microsporangium of every
stamen of all the flowers, there are 30 micropspore mother cells. How many pollen grains are
formed from that plant?
A. 4000
B.10,000
C.24,000
9. Pollen kit material is secreted by
A. Tapetum
B. Endothecium
D.48,000
(AMU 2003)
C. Epidermis
D. Endodermis
C. Zygote
D. Suspensor
10. Filiform apparatus is a characteristic feature of
A. Egg
B. Synergid
11. The ovule in which the funicle, chalaza and microphyle lie in one vertical plane is called
D. Anatropous
INFRONT OF SHRAVAN KANTA PALACEPLOT NO. 10,
AXIS BANK, AYODHYA
BYPASS
ROADINDRAPURI, BHOPAL ,Pin code
462022,Cont.No.
07552625412, 9669687655, 7697542831,741518255
1
SUN SHIELD CLASSES :
C. Orthotropous
Page
A. Campylotropous B. Amphitropous
SUNSHIELD CLASSES
All progress, change, and Success is based on a foundation at convenience
12. The female gametophyte in an angiosperms is:
A. Carpel
B. Ovule
C. Embryo sac
D. Egg
13. Which of the following condition of the embryo sac is seen at maturity
A. 7 celled 8 nucleate B. 7 celled 7 nucleate
C. 8 celled 8 nucleate D. 8 celled 7 nucleate
14. In which of the following pollination is autogamous?
A. Xenogamy
B. Chasmogamy
C. Cleistogamy
D. Geitonogamy
C. Mirabilis
D. None of these
15. Cleistogamous flower is found in
A. Tobacco
B. Viola
16. The transfer of the pollen grains from the anther of stigma of another flower of the same plant
is called
A. Xenogamy
B. Geitonogamy
C. Karyogamy
D. Autogamy
17. Both autogamy and geitonogamy are prevented in:
A. Papaya
B. Cucumber
C. Castor
D. Maize
18. In some plants, anthers and stigma grow and mature at the same time. This phenomenon is
called:
A. Homogamy
(AIPMT, 2012)
B. Syngamy
C. Allogamy
D. Fusion
19. The type of pollination in Commelina
A. Chasmogamy
B. Geitonogamy
C. Xenogamy
D. Cleistogmy
20. Unisexuality of flowers prevents:
A. Geitonogamy but not Xenogamy
B. Autogamy and Geitonogamy
C.
D. Both Geitonogamy and Xenogamy
Autogamy but not Geitonogamy
21. Wind pollination is common in
A. Lilies
B. Grasses
C. Orchids
D. Legumes
22. Which of the following is pollinated by flowers?
A. Viola
B. Yucca
C. Oxalis
D. Commelina
E. Zostera
23. Plants with ovaries having only one or a few ovules are generally pollinated by
A. Bees
B. Butterflies
C. Birds
D. Wind
24. Plants of which one of the following groups of genera are pollinated by the same agency?
A. Triticum, Mussanda, Zea mays
B. Kadam, Cannabis
C. Salvia, Calotropis
D. Salvia, Pinus, Ophyrys
25. Wind pollinated flowers are
INFRONT OF SHRAVAN KANTA PALACEPLOT NO. 10,
AXIS BANK, AYODHYA
BYPASS
ROADINDRAPURI, BHOPAL ,Pin code
462022,Cont.No.
07552625412, 9669687655, 7697542831,741518255
Page
SUN SHIELD CLASSES :
2
A. Large producing abundant nectar and pollen
SUNSHIELD CLASSES
All progress, change, and Success is based on a foundation at convenience
B. Small producing nectar and dry pollen
C. Small, brightly colored, producing large number of pollen grains.
D. Small, producing large number of dry pollen grains.
26. Entry of the pollen tube with two male gametes and tube nucleus through microphyle, is
A. Misogamy
B. Porogamy
C. Chalazogamy
D. none of these
27. Triple Fusion in angiospermis the fusion of second sperm with
A. Antipodal cell and one synergid cell
B. Two antipodal cells
C. Two synergid cells
D. Two polar nuclei
28. The arrangement of the nuclei in the normal embryo sac in dicot plants, is
A. 2+4+2
B. 3+2+3
C. 2+3+3
D. 3+3+2
29. Which of these cells is the largest cell of the ovule?
A. Antipodal cell
B. Central cell
C. Megaspore mother cell
D. The sixe of the cells varies from species to species and none of the given above can be treated
as largest
30. Polar nuclei are located in the
A. Embryo sac
B. Thalamus
C. Pollen tube
D. Ovule
31. Double fertilization in flowering plants was discovered by
A. Syngamy+triple fusion
B. Double fertilization
C. Development of antipodal cells
D. None of the above
32. Sexual reproduction in flowering plants was discovered by
A. Strasburger
B. Nawaschin
C. Maheswari
D. Camerarius
33. The Coconut water and the edible part of coconut are equivalent to:
A. Endosperm
B. Endocarp
C. Mesocarp
D. Maheswari
34. Endosperm is consumed by the developing embryo in the seed:
A. Maize
B. Coconut
C. Castor
D. Pea
C. Endothecium
D. Tapetum
35. Triploid tissue in angiosperms is:
A. Nucellus
B. Endosperm
36. The Sceutelum observed in a grain of wheat or maize is comparable to which part of the seed in
INFRONT OF SHRAVAN KANTA PALACEPLOT NO. 10,
AXIS BANK, AYODHYA
BYPASS
ROADINDRAPURI, BHOPAL ,Pin code
462022,Cont.No.
07552625412, 9669687655, 7697542831,741518255
Page
SUN SHIELD CLASSES :
3
other dicotyledonous?
SUNSHIELD CLASSES
All progress, change, and Success is based on a foundation at convenience
A. Aleurone layer
B. Plumule
C. Cotyledon
D. Endosperm
37. Which of the following floral parts forms pericap after fertilization?
A. Nucellus
B. Outer integument
C. Ovary wall
D. Inner integument
38. Even in the absence of pollinating agents seed setting is assured in
A. Commelina
B. Zostera
C. Salvia
D. Fig
39. What would be the number of chromosomes of the aleurone cells of plant with 42 chromosomes
in its root tip cells?
A. 21
B. 42
C. 63
D. 84
40. What would be the number of chromosomes of the aleurone cells of a plant species with 8
chromosomes in their synergids?
A. 16
B. 24
C. 32
D. 8
B. Embryo sac
C. Nucellus
D. Pollen grains
41. Find out the odd one
A. MIcropyle
42. Which of the following will not lead to the formation of the clones?
A. Double fertilization B. Apomixis
C. Vegetative reproduction D. Tissue culture
43. A normal plant suddenly started reproducing parthenogenetically. The number of chromosomes of
the second generations as compared to the parent will be
A. One half
B. One fourth
C. Same
D. Double
44. Nucellar polyembryony is reported in the species of
A. Brassica
B. Citrus
C. Gossypium
D. Triticum
B.Receptacle
C. Epicarp
D. Mesocarp
45. Edible part of a mango is
A. Endocarp
46. Apomictic embryos arise from
A. Synergids
B. Maternal sporophytic tissues in ovule
C. Antipodal cells
D. Diploid egg
47. The best example of polyembryony is
A. Cocos
B. Citrus
C. Capsicum
D. Cycas
48. Formation of the embryo directly from nucellus and integument is
A. Adventive embryo
B. Apogamy
C. Apospory
D. Apomixis
49. The study of formation, growth and development of a new individual from an egg is known as
C. Embryology
D. Genetics
INFRONT OF SHRAVAN KANTA PALACEPLOT NO. 10,
AXIS BANK, AYODHYA
BYPASS
ROADINDRAPURI, BHOPAL ,Pin code
462022,Cont.No.
07552625412, 9669687655, 7697542831,741518255
4
SUN SHIELD CLASSES :
B. Histology
Page
A. Cytology